{% load bootstrap3 %}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <title>Learning Log</title>

    {% bootstrap_css %}
    {% bootstrap_javascript %}
</head>
<body>
    <nav class="navbar navbar-default navbar-static-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle collapse"
                        data-toggle="collapse" data-target="#navbar"
                        aria-expanded="false" aria-controls="navbar">
                </button>
                <a href="{% url "app01:index" %}" class="navbar-brand">Learning Log</a>
            </div>

            <div id="navbar" class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a href="{% url 'app01:topics' %}">Topics</a></li>
                </ul>

                <ul class="nav navbar-nav navbar-right">
                    {% if user.is_authenticated %}
                        <li><a>Hello,{{ user.username }}.</a></li>
                        <li><a href="{% url 'users:logout' %}">log out</a></li>
                    {% else %}
                        <li><a href="{% url 'users:register' %}">register</a></li>
                        <li><a href="{% url 'users:login' %}">login</a></li>
                    {% endif %}
                </ul>
            </div>

            <div class="page-header">
                {% block header %}
                
                {% endblock header %}
            </div>
            <div>
                {% block content %}

                {% endblock content %}
            </div>
        </div>
    </nav>
</body>
</html>